电容法测定砂土含水量的试验研究  

Laboratory Test of Capacitive Sensor for Monitoring Sandy Soil Water Content

作　　者：刘尧军[1] 黄祖光[2] 

机构地区：[1]石家庄铁道学院土木工程分院,石家庄050043 [2]石家庄铁道学院学生处,石家庄050043

出　　处：《石家庄铁道学院学报》2002年第2期10-12,共3页Journal of Shijiazhuang Railway Institute

摘　　要：介绍电容法测量砂土含水量的方法 ,通过对自制湿度传感器的室内标定实验 ,得出传感器电容值随砂土含水量的变化规律 ,拟和出了相关公式。应用实例表明湿度传感器可以准确的测试砂土含水量 ,是一种用于长期监测路基。In this paper,a kind of capacitive sensor for monitoring water content in sand is introduced By laboratory tests, the interrelation between the value of sensor and water content is built out and a formula about it is found Actual example indicates that this sensor can monitor water content exactly It can be used to monitor sandy soil water content for antiseepage projects such as roadbed,dam and etc in a long term

关 键 词：电容法 测定 试验研究 砂土 含水量 湿度传感器 

分 类 号：TU41[建筑科学—岩土工程]